InChI=1S/C33H50O9/c1-16(2)7-6-8-17(3)19-9-10-20-23-21(12-14-32(19,20)4)33(5)13-11-18(34)15-22(33)28(24(23)35)41-31-27(38)25(36)26(37)29(42-31)30(39)40/h10,16-17,19,22,24-29,31,35-38H,6-9,11-15H2,1-5H3,(H,39,40)